CVE-2025-48827 – vBulletin Authentication Bypass Exploit Overview This repository contains a proof-of-concept exploit for CVE-2025-48827, a critical authentication bypass vulnerability affecting vBulletin 5.0.0–5.7.5 and 6.0.0–6.0.3 when running on PHP 8.1 or later. The vulnerability allows unauthenticated attackers to invoke protected API methods remotely, potentially leading to remote code execution and full system compromise. Author: pszyszkowski Severity: Critical CVE: CVE-2025-48827 References: https://karmainsecurity.com/dont-call-that-protected-method-vbulletin-rce Impact Successful exploitation allows unauthenticated remote attackers to execute arbitrary system commands as the web server user, resulting in full system compromise. Requirements Python 3.7+ requests library colored library pyfiglet library Install dependencies: bash pip install requests colored pyfiglet Usage Prepare a text file (e.g., targets.txt) with one target URL per line: https://example.com https://forum.example.org Run the exploit: bash python main.py targets.txt Optional: Set a custom timeout (default is 10 seconds): bash python main.py targets.txt –timeout 20 How It Works Checks if the target is running vBulletin by looking for common indicators. Sends a crafted unauthenticated request to /ajax/api/ad/wrapAdTemplate. Confirms exploitation by checking for specific patterns in the JSON response. Reports vulnerable targets and provides remediation advice. Remediation Upgrade to vBulletin…Read More
Exploit for Improper Protection of Alternate Path in Vbulletin
